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A
B
8
FROM POWER
W851
W847
UNREG+12V
GND
7
W829
6
TO SOUND
STEREO+5V
C620
TU_AUDIO_OUT
50V
4.7
C655
0.0068 Y
5
CF604
TPSRA4M50C00-A0
R609
220
FROM/TO MICON/TUNER
4
RESET
Y_VIDEO
AT+5V
TUNER+5V
AGC
L601
IF
1uH
AFT
PROTECT
3
POWER
OSD_B
OSD_BLK
OSD_G
VD
2
OSD_R
SYNC
I2C_OFF
SDA
SCL
FSC
CLOCK_CONT
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
1
A
B
G-3
C
CHROMA SCHEMATIC DIAGRAM
R629_1
27
3W
REG
Q606
4.9
7.2
7.2
4.9
KTC3209_Y
4.9
7.2
5.5
5.5
11.3
7.9
REG
REG
REG
8.8
Q608
Q604
Q605
5.5
KTC3209_Y
KTC3209_Y
KTC3209_Y
7
NC
NC
1.6
8.8
0
0
48
47
46
45
5.5
QIF OUT
R611
10K
2.2
AUDIO OUT
KA
2.4
C604
AUDIO BYPASS
47 8.7V REG OUT
50V
1
KA
2.4
48 LIMITER IN
C623
EXT AUDIO IN
49 P.Con5.7V REG
3.0
R623
39P SL
FM DIRECT OUT
1.8K 1/4W
4.0
VIF VCO F/B
C632
3.0
VIF GND
50V
1
KA
0
VIF GND
L606
0
R615
VIF VIDEO OUT
C602
0.01 F
470
2.2uH
2.1
R606
RF AGC OUT
10K 1/4W
2.1
C605
64 VIF IN (2)
VIF APC FILTER
1 V RAMP CAP
50V
0.47
KA
2.1
C606
0.001 Y
IF AGC FILTER2
2 AFT OUT
2.3
C628
IF AGC FILTER1
2.3
C634
50V
0.22
KA
VIF IN (1)
0.01 B
1.5
1.5
1
2
3
4
SAW FILTER
6.0
4.9
4.9
0
CF601
C613
TSF5229P3
IN
GNDOUTOUT
63V
1
MKT
R620
1
2
3
4
120K
R610
27K 1/4W
10
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
(DBTV2702)
REG
Q603
6
KTC3203_Y
8.8
4.9
3.3
R646
27K
8.2
0
12
5.7
4.9
4.9
2.0
2.9
0
0
3.3
3.8
44
43
42
41
40
39
38
37
36
35
34
33
3.3
R642
Y SW OUT
2.6
5.6K
MCU RESET
4.9
fsc OUT 1
3.6
34 X'TAL
POWER ON CONT
33 ACL/ABCL
4.6
32 AT5.7V REG OUT
SCL
5.0
SDA
5.0
CLOCK CONT
CHROMA IC
4.9
IC601
FAST BLK
M61250FP
3.0
R IN
2.9
G IN
2.9
B IN
17 H VCO F/B
2.9
VD
16 B OUT
V PULSE OUT
4.9
INV FBP OUT
NC
4.6
SYNC
INTELLIGENT MONI
4.9
C639_1
3.5
5
6
7
8
9
10
11
12
13
14
15
16
0.01 B
4.9
0
3.6
0
0
7.8
6.4
8.2
0
2.0
2.0
2.0
NC
8
R627
100 1/4W
100 1/4W
R630
R631
100 1/4W
R617
330 1/4W
R621
1.5K
1/4W
CAUTION:
SINCE THESE PARTS MARKED BY
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
CRITICAL FOR SAFETY,USE ONES
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
W806
C652
50V
4.7
KA
C647
C614
R643
220P B
820
50V
1
YK
D605
11E1-EIC
C609
SWITCHING
Q607
0.01 F
KRA104MAT
7.9
SWITCHING
7.9
Q609
KRC102MAT
7.9
0
CLOCK_CONT
0
0
9
R613
390 1/4W
ARE
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
TO AV
TU_VIDEO
7
FROM/TO COMB FILTER
STEREO+5V
Y_IN
C_IN
6
FROM SOUND
AUDIO_OUT_R
AUDIO_OUT_L
FROM/TO DEFLECTION/CRT
5
ABCL
P.CON+5V
H_OUT
H_SYNC
B.OUT
G.OUT
R.OUT
V_OUT
CLAMP
4
V_FEEDBACK
GND
TEST POINT
CP601
TKC-M07X-A1
AUDIO_OUT_R
7
AUDIO_OUT_L
6
INT.MONI
5
IIC_OFF
4
SDA
3
3
SCL
2
GND
1
2
PCB010
TMB544
R.SIGNAL
G.SIGNAL
1
B.SIGNAL
DEFLECTION SIGNAL
TUNER VIDEO SIGNAL
H
G-4
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